Toothbrush



FIG. 1 is a left side elevation view of my new design, the right side being a mirror image thereof and the shading designating color;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view of an alternative embodiment of the design shown in FIG. 1, the right side being a mirror image thereof;

FIG. 5 is a front elevation view of the embodiment shown in FIG. 4; and,

FIG. 6 is a rear elevation view of the embodiment shown in FIG. 4. 

The ornamental design for a toothbrush, as shown and described. 